A new series of potentially hexadentate ligands derived from 2,2′-bipyridine

被引：6

作者：

Baird, Lynton J. ^{[1
]}

Black, Cory A. ^{[1
]}

Blackman, Allan G. ^{[1
]}

机构：

[1] Univ Otago, Dept Chem, Dunedin, New Zealand

来源：

POLYHEDRON | 2007年 / 26卷 / 02期

关键词：

hexaamine; hexadentate ligand; Co(III); crystal structure; 2,2 '-bipyridine;

D O I：

10.1016/j.poly.2006.06.018

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of 2,2'-bipyridine-6-carboxaldehyde with the appropriate aliphatic diamine in MeOH and subsequent reduction with NaBH4 gives the new, potentially hexadentate, ligands N,N'-bis(2,2'-bipyridin-6-ylmethyl)ethane-1,2-diamine (bmet), N,N'-bis(2,2'-bipyridin-6-ylmethyl)propane-1,3-diamine (bmpp) and N,N'-bis(2,2'-bipyridin-6-ylmethyl)hexane-1,6-diamine (bmhx). The syntheses and characterisation of these ligands are reported; the ligands are isolated as the hydrochloride salts, with purification effected by either recrystallisation or cation exchange chromatography. [Co(bmet)](ClO4)(3) . H2O is obtained on reaction of bmet . 4.25HCl . 2.5H(2)O with Na-3[CO(O2CO)(3)] . 3H(2)O, and X-ray structural analysis shows this to have a pair of very short Co-N bonds. The synthesis and characterisation of the first coordination complex containing 6-(aminomethyl)-2,2'-bipyridine (amb) is also described. (c) 2006 Elsevier Ltd. All rights reserved.

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页码：378 / 384

页数：7

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